Egon is (almost) done. The printing function (not really important) is not implemented, and it needs documentation. But now it can actually be used.

egon.py

@@ -25,12 +25,15 @@ __version__ = "0.0.2"
 
 
 main = None
+semesters = []
+semester = None
 courses = []
 coursesString = []
 books = []
 booksString = []
 chosenDay = QDate()
 colors = []
+termList = None
 
 class MainWindow(QMainWindow):
 
@@ -75,11 +78,20 @@ class MainWindow(QMainWindow):
         self.calendarFrame.hide()
         self.calendarDockWidget.setWidget(self.calendarFrame)
         
+        # The semesters
+        global semester, semesters, termList
+	termList = QStringList()
+	termList.append(self.trUtf8("Spring"))
+        termList.append(self.trUtf8("Autumn"))
+        semesters = getSemestersFromDB()
+        semester = self.getLatestSemester(semesters)	
+        if semester:
+            print semester.getTerm(), semester.getYear()		
+            self.load(semester)		
+
         # Actions
         fileNewAction = self.createAction("&New", self.fileNew, QKeySequence.New, "filenew", "Create a new semester plan")
         fileOpenAction = self.createAction("&Open", self.fileOpen, QKeySequence.Open, "fileopen",  "Open an existing semester plan")
-        fileSaveAction = self.createAction("&Save", self.fileSave, QKeySequence.Save, "filesave", "Save semester plan")
-        fileSaveAsAction = self.createAction("Save as...", self.fileSaveAs, None, "filesaveas", "Save plan as...")
         filePrintAction = self.createAction("&Print", self.filePrint, QKeySequence.Print, "fileprint", "Print plan")
         fileQuitAction = self.createAction("&Quit", self.close, "Ctrl+Q", "filequit", "Quit program")
         editAddCourse = self.createAction("Add &course", self.addCourse, "Ctrl+C", None, "Add a new course")
@@ -96,7 +108,7 @@ class MainWindow(QMainWindow):
         self.helpMenu = self.menuBar().addMenu("&Help")
         
         # Add actions to the menus
-        self.addActions(self.fileMenu, (fileNewAction, fileOpenAction, None, fileSaveAction, fileSaveAsAction, None, filePrintAction, None, fileQuitAction))
+        self.addActions(self.fileMenu, (fileNewAction, fileOpenAction, None, filePrintAction, None, fileQuitAction))
         self.addActions(self.editMenu, (editAddCourse, editAddBook, None, editAddAssignment, None, editAddReading, None, editAddLesson, None, editShowCalendar))
         self.addActions(self.helpMenu, (helpAboutScheduler, None))
         
@@ -121,7 +133,7 @@ class MainWindow(QMainWindow):
         # The toolbars
         fileToolbar = self.addToolBar("File")
         fileToolbar.setObjectName("FileToolBar")
-        self.addActions(fileToolbar, (fileNewAction, fileOpenAction, None, fileSaveAction, fileSaveAsAction, None, filePrintAction, None, fileQuitAction))
+        self.addActions(fileToolbar, (fileNewAction, fileOpenAction, None, filePrintAction, None, fileQuitAction))
         editToolbar = self.addToolBar("Edit")
         editToolbar.setObjectName("EditToolBar")
         self.addActions(editToolbar, (editAddCourse, editAddBook, None, editShowCalendar))
@@ -147,6 +159,7 @@ class MainWindow(QMainWindow):
     def deleteAssignment(self):
         course, number = self.getCourseAndNumber()
         table, row = self.getAssignmentTableAndRow()	
+        global semester
         removeAssignmentFromDB(course, number) 
         table.removeRow(row)	
         table.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
@@ -181,6 +194,7 @@ class MainWindow(QMainWindow):
     def deleteReading(self):
         week, course, book = self.getWeekCourseAndBook()	    
         table, row = self.getReadingTableAndRow()
+        global semester	
         removeReadingFromDB(week, course, book)
         table.removeRow(row)
         table.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
@@ -228,6 +242,7 @@ class MainWindow(QMainWindow):
     def deleteLesson(self):
         table, row, column = self.getScheduleTableRowAndColumn()	    
         day, course, time = self.getDayCourseAndTime()  
+        global semester	
         removeLessonFromDB(day, course, time)   
         table.setItem(row, column, QTableWidgetItem())
 
@@ -251,6 +266,23 @@ class MainWindow(QMainWindow):
     def getDayFromTable(self, column):
         return self.days[column]
 
+    def getLatestSemester(self, semesters):
+        if len(semesters) == 0:
+            return None	
+        global termList
+        max = semesters[0]
+	for s in semesters:
+            if s.getYear() > max.getYear(): 		
+                max = s
+            if s.getYear() == max.getYear():
+                if s.getTerm() == self.trUtf8("Autumn"):
+                    max = s
+        return max
+
+    def getTermList(self):
+        global termList
+        return termList	
+
     def helpAbout(self):
         QMessageBox.about(self, "About %s" % self.title, u"""
 	<b>%s</b> v %s 
@@ -273,16 +305,12 @@ class MainWindow(QMainWindow):
 	chosenDay = self.calendar
 
     def fileNew(self):
-        pass
+        self.nsdlg = NewSemesterDlg()
+        self.nsdlg.show()
 
     def fileOpen(self):
-        pass
+        self.osdlg = OpenSemesterDlg()
-        
+        self.osdlg.show()	
-    def fileSave(self):
-        pass
-        
-    def fileSaveAs(self):
-        pass
         
     def filePrint(self):
         pass
@@ -315,8 +343,10 @@ class MainWindow(QMainWindow):
             self.addDockWidget(Qt.BottomDockWidgetArea, self.calendarDockWidget)
             self.calendarDockWidget.setVisible(True)
 
-    def refreshTable(self):
+    def load(self, semester):
-        pass
+        self.assignment.updateTable(semester)
+        self.reading.updateTable(semester)
+        self.schedule.updateTable(semester)	
 
 
 class AssignmentTab(QWidget):
@@ -332,22 +362,21 @@ class AssignmentTab(QWidget):
 
 	self.makeTable()
 
-        vlayout = QVBoxLayout()
+        self.vlayout = QVBoxLayout()
-        hlayout = QHBoxLayout()
+        self.hlayout = QHBoxLayout()
         
-        hlayout.addWidget(self.addAssignmentButton)
+        self.hlayout.addWidget(self.addAssignmentButton)
-        hlayout.addWidget(self.deleteAssignmentButton)
+        self.hlayout.addWidget(self.deleteAssignmentButton)
-        hlayout.addWidget(self.completeAssignmentBox)
+        self.hlayout.addWidget(self.completeAssignmentBox)
-        hlayout.addStretch() 
+        self.hlayout.addStretch() 
         
-        vlayout.addWidget(self.assignmentTable)
+        self.vlayout.addWidget(self.assignmentTable)
-        vlayout.addLayout(hlayout)
+        self.vlayout.addLayout(self.hlayout)
         
-        self.setLayout(vlayout)
+        self.setLayout(self.vlayout)
 
     def makeTable(self, current=None):
-        self.assignments = getAssignmentsFromDB()
+        self.assignmentTable = QTableWidget(0, 5, self)
-        self.assignmentTable = QTableWidget(len(self.assignments), 5, self)
         self.assignmentTable.clear()
 	self.assignmentHeaderList = QStringList()
 	self.assignmentHeaderList.append(self.trUtf8("Date"))
@@ -361,10 +390,12 @@ class AssignmentTab(QWidget):
         self.assignmentTable.setSelectionBehavior(QAbstractItemView.SelectRows)
         self.assignmentTable.setSelectionMode(QAbstractItemView.SingleSelection)
         selected = None
-        self.updateTable()
 
-    def updateTable(self, current=None):
+    def updateTable(self, semester, current=None):
-	for row in range(len(self.assignments)):
+        self.assignments = getAssignmentsFromDB(semester)
+        rows = len(self.assignments)
+	self.assignmentTable.setRowCount(rows)
+	for row in range(rows):
             self.addAssignmentToTable(row)		
         self.assignmentTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
         self.assignmentTable.sortItems(0, Qt.AscendingOrder)
@@ -495,7 +526,8 @@ class AddAssignmentDlg(AssignmentDlg):
 
         course = getCourseFromDB(getCourseCode(courseFull))
 
-        addNewAssignmentToDB(datetime, course, number, description, complete)
+        global semester
+        addNewAssignmentToDB(semester, datetime, course, number, description, complete)
 
         assignment = AssignmentModel(datetime, course, number, description, complete)
         table = getMain().assignment.assignmentTable
@@ -593,22 +625,21 @@ class ReadingTab(QWidget):
         
         self.makeTable()
 
-        vlayout = QVBoxLayout()
+        self.vlayout = QVBoxLayout()
-        hlayout = QHBoxLayout()
+        self.hlayout = QHBoxLayout()
         
-        hlayout.addWidget(self.addReadingButton)
+        self.hlayout.addWidget(self.addReadingButton)
-        hlayout.addWidget(self.deleteReadingButton)
+        self.hlayout.addWidget(self.deleteReadingButton)
-        hlayout.addWidget(self.readingDoneButton)
+        self.hlayout.addWidget(self.readingDoneButton)
-        hlayout.addStretch()
+        self.hlayout.addStretch()
 
-        vlayout.addWidget(self.readingTable)
+        self.vlayout.addWidget(self.readingTable)
-        vlayout.addLayout(hlayout)
+        self.vlayout.addLayout(self.hlayout)
         
-        self.setLayout(vlayout)
+        self.setLayout(self.vlayout)
 
     def makeTable(self, current=None):
-        self.readings = getReadingsFromDB()
+        self.readingTable = QTableWidget(0, 7, self)
-        self.readingTable = QTableWidget(len(self.readings), 7, self)
         self.readingTable.clear()
 	self.readingHeaderList = QStringList()
 	self.readingHeaderList.append(self.trUtf8("Week"))
@@ -624,10 +655,12 @@ class ReadingTab(QWidget):
         self.readingTable.setSelectionBehavior(QAbstractItemView.SelectRows)
         self.readingTable.setSelectionMode(QAbstractItemView.SingleSelection)
         selected = None
-        self.updateTable()
         
-    def updateTable(self):
+    def updateTable(self, semester):
-        for row in range(len(self.readings)):
+        self.readings = getReadingsFromDB(semester)	
+        rows = len(self.readings)
+        self.readingTable.setRowCount(rows)	
+        for row in range(rows):
             self.addReadingToTable(row)
         self.readingTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
         self.readingTable.sortItems(0, Qt.AscendingOrder)
@@ -731,7 +764,8 @@ class AddReadingDlg(ReadingDlg):
         course = getCourseFromDB(getCourseCode(courseFull))
 	book = getBookWithTitleFromDB(bookTitle)
 
-	addNewReadingToDB(week, course, book, chapter, pages, False)
+        global semester
+	addNewReadingToDB(semester, week, course, book, chapter, pages, False)
 
         reading = ReadingModel(week, course, book, chapter, pages, False)
         table = getMain().reading.readingTable
@@ -838,20 +872,19 @@ class ScheduleTab(QWidget):
         
         self.makeTable()
 
-        vlayout = QVBoxLayout()
+        self.vlayout = QVBoxLayout()
-        hlayout = QHBoxLayout()
+        self.hlayout = QHBoxLayout()
         
-        hlayout.addWidget(self.addScheduleButton)
+        self.hlayout.addWidget(self.addScheduleButton)
-        hlayout.addWidget(self.deleteScheduleButton)
+        self.hlayout.addWidget(self.deleteScheduleButton)
-	hlayout.addStretch()
+	self.hlayout.addStretch()
 
-        vlayout.addWidget(self.scheduleTable)
+        self.vlayout.addWidget(self.scheduleTable)
-        vlayout.addLayout(hlayout)
+        self.vlayout.addLayout(self.hlayout)
         
-        self.setLayout(vlayout)
+        self.setLayout(self.vlayout)
 
     def makeTable(self, current=None):
-        self.schedule = getLessonsFromDB()
         self.scheduleTable = QTableWidget(12, 5, self)
         self.scheduleTable.clear()
         self.scheduleHorizontalHeaderList = QStringList()
@@ -870,10 +903,12 @@ class ScheduleTab(QWidget):
         self.scheduleTable.setSelectionBehavior(QAbstractItemView.SelectItems)
         self.scheduleTable.setSelectionMode(QAbstractItemView.SingleSelection)
         selected = None
-        self.updateTable()
 	
-    def updateTable(self):
+    def updateTable(self, semester):
-        for l in range(len(self.schedule)):
+        self.schedule = getLessonsFromDB(semester)
+        rows = len(self.schedule)
+        self.scheduleTable.setRowCount(rows)	
+        for l in range(rows):
             self.addLessonToTable(self.schedule[l])    
         self.scheduleTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
         self.scheduleTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
@@ -1001,8 +1036,9 @@ class AddScheduleDlg(ScheduleDlg):
 
         course = getCourseFromDB(getCourseCode(courseFull))
        
+        global semester
         for t in range(fromtime, totime):
-            addNewLessonToDB(SemesterModel("fall", 2008), day, t, course, type, room)
+            addNewLessonToDB(semester, day, t, course, type, room)
             getMain().schedule.addLessonToTable(ScheduleModel(day, t, course, type, room))
 	
         self.close()
@@ -1282,10 +1318,136 @@ class BookModel():
         return self.edition
 
 
+class SemesterDlg(QDialog):
+    
+    def __init__(self, parent=None):	
+        super(SemesterDlg, self).__init__(parent)
+
+        self.oldLabel = QLabel(self.trUtf8("Earlier semesters:"))
+        self.newLabel = QLabel(self.trUtf8("New semester:"))	
+        self.newTermLabel = QLabel(self.trUtf8("Term:"))
+        self.newYearLabel = QLabel(self.trUtf8("Year:"))	
+
+        global semester, semesters, main
+
+        self.oldEdit = QListWidget()
+        self.oldEdit.addItems(semesters)
+        self.newTermEdit = QComboBox()
+	self.newTermEdit.addItems(getMain().getTermList())
+        self.newYearEdit = QSpinBox()
+        self.newYearEdit.setRange(2000, 2050)	
+	self.newYearEdit.setSingleStep(1)
+
+        self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel)
+        
+        layout = QGridLayout()
+        layout.addWidget(self.oldLabel, 0, 0)
+        layout.addWidget(self.oldEdit, 0, 1, 1, 2)
+        layout.addWidget(self.newLabel, 1, 0)
+        layout.addWidget(self.newTermLabel, 1, 1)	
+        layout.addWidget(self.newTermEdit, 2, 1)
+        layout.addWidget(self.newYearLabel, 1, 2)
+        layout.addWidget(self.newYearEdit, 2, 2)	
+        layout.addWidget(self.buttonBox, 3, 0, 1, 3)
+        layout.setColumnStretch(0, 0)
+	layout.setColumnStretch(1, 1)
+	layout.setColumnStretch(2, 1)
+	self.setLayout(layout)
+
+        self.connect(buttonBox, SIGNAL("accepted()"), self, SLOT("accept()"))
+        self.connect(buttonBox, SIGNAL("rejected()"), self, SLOT("reject()"))
+
+        self.setWindowTitle(self.trUtf8("Choose a semester or create a new"))
+        
+    def accept(self):
+        pass	    
+
+
+class NewSemesterDlg(QDialog):
+
+    def __init__(self, parent=None):
+        super(NewSemesterDlg, self).__init__(parent)
+
+        self.termLabel = QLabel(self.trUtf8("Term"))
+        self.yearLabel = QLabel(self.trUtf8("Year"))
+        self.termEdit = QComboBox()
+        self.yearEdit = QSpinBox()
+        self.termEdit.addItems(getMain().getTermList())
+        self.yearEdit.setRange(2000, 2050)
+        self.yearEdit.setSingleStep(1)
+        self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel)
+	
+        layout = QGridLayout()
+        layout.addWidget(self.termLabel, 0, 0)
+        layout.addWidget(self.termEdit, 0, 1)
+        layout.addWidget(self.yearLabel, 1, 0)
+        layout.addWidget(self.yearEdit, 1, 1)
+        layout.addWidget(self.buttonBox, 2, 1)	
+        self.setLayout(layout)
+
+        self.connect(self.buttonBox, SIGNAL("accepted()"), self, SLOT("accept()"))
+        self.connect(self.buttonBox, SIGNAL("rejected()"), self, SLOT("reject()"))
+
+        self.setWindowTitle(self.trUtf8("New semester"))
+	
+    def accept(self):
+        term = unicode(self.termEdit.currentText())
+        year = self.yearEdit.value()
+	global semester
+	semester = SemesterModel(term, year)
+        addNewSemesterToDB(term, year)
+        getMain().load(semester)	
+        self.close()	
+
+
+class OpenSemesterDlg(QDialog):
+
+    def __init__(self, parent=None):
+        super(OpenSemesterDlg, self).__init__(parent)
+
+        self.semesterList = QListWidget()
+        semesters = getSemestersFromDB()        
+        semesterlist = QStringList()
+        for semester in semesters:
+            semesterlist.append("%s %i" % (semester.getTerm(), semester.getYear()))
+        self.semesterList.addItems(semesterlist)	   
+        self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel)
+
+        layout = QVBoxLayout()
+        layout.addWidget(self.semesterList)
+        layout.addStretch()
+	layout.addWidget(self.buttonBox)
+        self.setLayout(layout)
+
+        self.connect(self.buttonBox, SIGNAL("accepted()"), self, SLOT("accept()"))
+        self.connect(self.buttonBox, SIGNAL("rejected()"), self, SLOT("reject()"))
+
+        self.setWindowTitle(self.trUtf8("Open semester"))
+	
+    def accept(self):
+        text = self.semesterList.currentItem().text()
+        textlist = text.split(' ')
+        term = textlist[0]
+        year = textlist[1].toInt()[0]	
+        global semester
+        semester = SemesterModel(term, year)
+        semester.setAssignments(getAssignmentsFromDB(semester))
+        semester.setReadings(getReadingsFromDB(semester))
+        semester.setLessons(getLessonsFromDB(semester))
+        print semester.getAssignments()
+        print semester.getReadings()
+        print semester.getLessons()	
+        getMain().load(semester)
+        self.close()	
+
+
 class SemesterModel():
     
     term = ""
     year = 0
+    assignments = []
+    readings = []
+    lessons = []
 
     def __init__(self, term, year):
         self.term = term
@@ -1297,6 +1459,33 @@ class SemesterModel():
     def getYear(self):
         return self.year
 
+    def addAssignment(self, assignment):
+        self.assignments.append(assignment)
+
+    def setAssignments(self, assignments):
+        self.assignments = assignments
+
+    def getAssignments(self):
+        return self.assignments
+
+    def addReading(self, reading):
+        self.readings.append(reading)
+
+    def setReadings(self, readings):
+        self.readings = readings
+
+    def getReadings(self):
+        return self.readings
+
+    def addLesson(self, lesson):
+        self.lessons.append(lesson)
+ 
+    def setLessons(self, lessons):
+        self.lessons = lessons
+
+    def getLessons(self):
+        return self.lessons	    
+
 
 class CalendarTab(QWidget):
     
@@ -1324,9 +1513,6 @@ def initNewDB():
     initScheduleDB(cursor)
     initBookDB(cursor)
     initCourseDB(cursor)
-    initAssignmentInSemester(cursor)
-    initReadingInSemester(cursor)
-    initScheduleInSemester(cursor)
     initCourseUsesBook(cursor)
     exitDB(conn)
 
@@ -1347,6 +1533,8 @@ def initAssignmentDB(cursor):
             number INT,
 	    description TEXT,
 	    complete TEXT,
+	    term TEXT,
+            year INT,	    
             PRIMARY KEY (course, number)
         )
     ''')
@@ -1360,6 +1548,8 @@ def initReadingDB(cursor):
             chapter TEXT,
             pages TEXT,
             done BOOLEAN,	    
+            term TEXT,
+            year INT,	    
             PRIMARY KEY (week, course, book)
         )
     ''')
@@ -1372,6 +1562,8 @@ def initScheduleDB(cursor):
 	    course TEXT,
             type TEXT,
             room TEXT,
+            term TEXT,
+            year INT,	    
             PRIMARY KEY (course, day, time)
         )
     ''')
@@ -1398,41 +1590,6 @@ def initCourseDB(cursor):
         )
     ''')
 
-def initAssignmentInSemester(cursor):
-    cursor.execute('''
-        CREATE TABLE AssignmentInSemester (
-            course TEXT,
-            number INT,	    
-            term TEXT, 
-            year INT,	
-            PRIMARY KEY (course, number, term, year)
-        )	    
-    ''')    
-
-def initReadingInSemester(cursor):
-    cursor.execute('''
-        CREATE TABLE ReadingInSemester (
-            week INT,
-            course TEXT,
-            book TEXT,
-            term TEXT,
-            year INT,
-            PRIMARY KEY (week, course, book, term, year)	    
-        )
-    ''')
-
-def initScheduleInSemester(cursor):
-    cursor.execute('''
-        CREATE TABLE ScheduleInSemester (
-            course TEXT, 
-            day TEXT, 
-            time INT,
-            term TEXT,
-            year INT,
-            PRIMARY KEY (course, day, time, term, year)	    
-        )
-    ''')
-
 def initCourseUsesBook(cursor):
     cursor.execute('''
         CREATE TABLE CourseUsesBook (
@@ -1442,6 +1599,16 @@ def initCourseUsesBook(cursor):
 	)
     ''')
 
+def addNewSemesterToDB(term, year):
+    cursor, conn = initDB()
+        
+    cursor.execute('''
+        INSERT INTO Semester (term, year)
+        VALUES (?, ?)	
+    ''', (term, year))
+
+    exitDB(conn)
+
 def addNewAssignmentToDB(semester, datetime, course, number, description, complete):
     cursor, conn = initDB()
 
@@ -1451,16 +1618,13 @@ def addNewAssignmentToDB(semester, datetime, course, number, description, comple
     hour = datetime.time().hour()
     minute = datetime.time().minute()
     timestring = "%02i-%02i-%02i %02i:%02i" % (year, month, day, hour, minute)
+    term = "%s" % semester.getTerm()
+    year = semester.getYear() 
 
     cursor.execute('''
-        INSERT INTO Assignment (date, course, number, description, complete)
+        INSERT INTO Assignment (date, course, number, description, complete, term, year)
-	VALUES (datetime(?), ?, ?, ?, ?)
+	VALUES (datetime(?), ?, ?, ?, ?, ?, ?)
-    ''', (timestring, course.getCode(), number, description, complete))
+    ''', (timestring, course.getCode(), number, description, complete, term, year))
-
-    cursor.execute('''
-        INSERT INTO AssignmentInSemester (course, number, term, year)
-        VALUES (?, ?, ?, ?)	
-    ''', (course.getCode(), number, semester.getTerm(), semester.getYear()))
 
     exitDB(conn)
 
@@ -1468,14 +1632,9 @@ def addNewReadingToDB(semester, week, course, book, chapter, pages, done):
     cursor, conn = initDB()
 
     cursor.execute('''
-        INSERT INTO Reading (week, course, book, chapter, pages, done)
+        INSERT INTO Reading (week, course, book, chapter, pages, done, term, year)
-        VALUES (?, ?, ?, ?, ?, ?)	
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?)	
-    ''', (week, course.getCode(), book.getIsbn(), chapter, pages, done))
+    ''', (week, course.getCode(), book.getIsbn(), chapter, pages, done, semester.getTerm(), semester.getYear()))
-
-    cursor.execute('''
-        INSERT INTO ReadingInSemester (week, course, book, term, year)
-        VALUES (?, ?, ?, ?, ?)	
-    ''', (week, course, book, semester.getTerm(), semester.getYear()))
 
     exitDB(conn)
 
@@ -1483,14 +1642,9 @@ def addNewLessonToDB(semester, day, time, course, type, room):
     cursor, conn = initDB()
 
     cursor.execute('''
-        INSERT INTO Lesson (day, time, course, type, room)
+        INSERT INTO Lesson (day, time, course, type, room, term, year)
-        VALUES (?, ?, ?, ?, ?)	
+        VALUES (?, ?, ?, ?, ?, ?, ?)	
-    ''', (day, time, course.getCode(), type, room))
+    ''', (day, time, course.getCode(), type, room, semester.getTerm(), semester.getYear()))
-
-    cursor.execute('''
-        INSERT INTO ScheduleInSemester (course, day, time, term, year)
-        VALUES (?, ?, ?, ?, ?)	
-    ''', (course.getCode(), day, time, semester.getTerm(), semester.getYear()))
 
     exitDB(conn)
 
@@ -1524,13 +1678,18 @@ def addNewBookToDB(isbn, title, author, edition):
     
     exitDB(conn)
 
-def getAssignmentsFromDB():
+def getAssignmentsFromDB(semester):
     cursor, conn = initDB()
 
+    term = "%s" % semester.getTerm()
+    year = (semester.getYear())
+
     cursor.execute('''
         SELECT * 
         FROM Assignment	
-    ''')
+        WHERE term = ?
+        AND year = ?	
+    ''', (term, year))
 
     assignments = []
     for row in cursor.fetchall():
@@ -1558,13 +1717,18 @@ def getQDateTime(timestamp):
     datetime = QDateTime(date, time)
     return datetime
 
-def getReadingsFromDB():
+def getReadingsFromDB(semester):
     cursor, conn = initDB()
 
+    term = "%s" % semester.getTerm()
+    year = semester.getYear() 
+
     cursor.execute('''
         SELECT * 
         FROM Reading
-    ''')
+        WHERE term = ?
+        AND year = ?	
+    ''', (term, year))
 
     readings = []
     for row in cursor.fetchall():
@@ -1574,13 +1738,18 @@ def getReadingsFromDB():
 
     return readings
 
-def getLessonsFromDB():
+def getLessonsFromDB(semester):
     cursor, conn = initDB()
 
+    term = "%s" % semester.getTerm()
+    year = semester.getYear()
+
     cursor.execute('''
         SELECT * 
         FROM Lesson
-    ''')
+        WHERE term = ?
+        AND year = ?	
+    ''', (term, year))
 
     lessons = []
     for row in cursor.fetchall():
@@ -1703,6 +1872,22 @@ def getBookWithTitleFromDB(booktitle):
 
     return book
 
+def getSemestersFromDB():
+    cursor, conn = initDB()
+  
+    cursor.execute('''
+        SELECT * 
+        FROM Semester	
+    ''')
+
+    semesters = []
+    for row in cursor.fetchall():
+        semesters.append(SemesterModel(row[0], row[1]))	    
+
+    exitDB(conn)
+
+    return semesters
+
 def updateAssignmentCompletion(coursecode, num, completion):
     cursor, conn = initDB()